CN111405356A - Audio control device, audio playing system and method - Google Patents
Audio control device, audio playing system and method Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 36
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
- H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
- H04N21/42221—Transmission circuitry, e.g. infrared [IR] or radio frequency [RF]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
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- Television Receiver Circuits (AREA)
- Circuit For Audible Band Transducer (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention relates to the technical field of electronics, and discloses an audio control device, an audio playing system and an audio playing method. In the present invention, an audio control apparatus includes: the device comprises a control module and an audio processing module; the control module is suitable for receiving an audio control instruction sent by terminal control equipment and sending a control signal to the audio processing module based on the audio control instruction; the audio processing module is in communication connection with the control module and is suitable for receiving current audio data of the terminal and adjusting the audio data based on the control signal. The audio control device provided by the invention can realize the control of the playing of the audio through the control equipment of the terminal, and improves the audio and video watching experience of a user.
Description
Technical Field
The embodiment of the invention relates to the technical field of electronics, in particular to an audio control device, an audio playing system and an audio playing method.
Background
With the continuous development of science and technology, the thickness of display equipment such as televisions is thinner and thinner, and the frame is narrower and narrower. Meanwhile, the size of the speaker built in the device is getting smaller and smaller, resulting in deterioration of the audio playback sound effect of the display device. In the prior art, the display device is connected with the external sound box through the audio processing device, the audio processing device converts the audio signal of the display device and outputs the converted audio signal to the external sound box, and then the audio signal of the display device is played through the external sound box, so that the sound playing effect of the display device is improved.
The inventor finds that at least the following problems exist in the prior art: the traditional audio processing device can only convert the audio signal of the display equipment, and when a user uses the display equipment, the user cannot control the playing of the audio by using the control equipment of the display equipment, which brings great inconvenience to the user.
Therefore, the existing audio processing apparatus still needs to be improved.
Disclosure of Invention
An object of embodiments of the present invention is to provide an audio control device, an audio playing system and a method, so that audio output of the audio control device can be adjusted through a terminal control device, and an audio playing effect of a terminal can be adjusted.
To solve the above technical problem, an embodiment of the present invention provides an audio control apparatus, including: the device comprises a control module and an audio processing module; the control module is suitable for receiving an audio control instruction sent by the terminal control equipment and sending a control signal to the audio processing module based on the audio control instruction; the audio processing module is suitable for receiving the current audio data of the terminal and adjusting the audio data based on the control signal.
An embodiment of the present invention further provides an audio playing system, including: the audio control device, the terminal control equipment and the audio playing equipment are in communication connection with the terminal and the audio playing equipment respectively; the terminal control equipment is suitable for sending out an audio control instruction; the terminal is suitable for sending current audio data to the audio control device; the audio control device is in communication connection with the control module and is suitable for adjusting audio data based on the audio control instruction and sending the adjusted audio data to the audio playing equipment; the audio playing device is adapted to play the audio data after receiving the audio data.
The embodiment of the present invention further provides an audio playing method, which is applied to the above audio playing system, and includes: the terminal control equipment sends out an audio control instruction; the terminal sends current audio data to the audio control device; the audio control device adjusts audio data based on the audio control instruction and sends the adjusted audio data to the audio playing equipment; and the audio playing equipment plays the audio data after receiving the audio data.
Compared with the prior art, the audio control device can receive the audio control instruction sent by the terminal control equipment, and adjust the current audio data of the terminal based on the audio control instruction, so that the audio output of the audio control device can be controlled by the terminal control equipment, the playing of the audio is controlled by the terminal control equipment, and the video and audio watching experience of a user is improved.
In addition, the control module includes: the device comprises a receiving unit and a main control unit; the receiving unit is suitable for establishing communication handshake with the terminal or the terminal control equipment and receiving an audio control instruction sent by the terminal control equipment; the main control unit is in communication connection with the receiving unit and is suitable for identifying the type of the audio control instruction and sending a control signal to the audio processing module based on the identification result.
In addition, the audio control device is provided with a high-definition multimedia interface, the audio control device is in communication connection with the terminal through the high-definition multimedia interface, and the control module is suitable for establishing CEC communication handshake with the terminal through the high-definition multimedia interface; the audio processing module is adapted to receive audio data through a high definition multimedia interface ARC channel.
In addition, the audio processing module includes an audio receiving unit for receiving the audio data and decoding the audio data. The audio control device can support audio data of various formats by decoding the received audio data through the audio receiving unit, so that the adaptability of the audio control device is improved.
In addition, the audio processing module also comprises an audio conversion unit which is in communication connection with the audio receiving unit and used for converting the decoded audio data into left and right channel audio data. The audio data output by the audio control device generates a stereo playing effect when being played by converting the decoded audio data into left and right channel data, so that the audio-visual experience of a user is improved.
In addition, the audio processing module further comprises a volume adjusting unit, wherein the volume adjusting unit is in communication connection with the audio receiving unit and is used for adjusting the output volume of the decoded audio data based on the control signal. The volume adjusting unit can adjust the output volume of the audio data, so that a user can freely and conveniently control the audio playing volume through the terminal control equipment.
In addition, the audio processing module also comprises an audio adjusting unit which is in communication connection with the audio receiving unit and used for adjusting the output audio effect of the decoded audio data based on the control signal. The audio effect adjusting unit can adjust the output audio effect of the audio data, so that a user can freely and conveniently control the audio playing audio effect through the terminal control equipment.
In addition, the terminal includes a television, and the terminal control device includes a remote controller.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of an audio control apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an audio control apparatus according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of an audio control apparatus according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an audio playing system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and mutually referenced without contradiction
Fig. 1 is a schematic structural diagram of an audio control device according to an embodiment of the present invention. As shown in fig. 1, the audio control apparatus provided in the present embodiment includes: a control module 101 and an audio processing module 102; the control module 101 is adapted to receive an audio control instruction sent by a terminal control device (not shown), and send a control signal to the audio processing module 102 based on the audio control instruction; the audio processing module 102 is communicatively connected to the control module 101, and is adapted to receive current audio data of a terminal (not shown) and adjust the audio data based on a control signal.
In this embodiment, the terminal may be any Device capable of outputting audio, such as a television, a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a laptop Computer (L ap Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), or a Wearable Device (Wearable Device).
The audio control device is in communication connection with the terminal. In this embodiment, the audio control device and the terminal are connected in a wired manner, for example, the audio control device and the terminal both have a high-definition multimedia interface HDMI interface, and the audio control device establishes a communication connection with the terminal through an HDMI cable. In other embodiments, the audio control device and the terminal may also be connected in a wireless manner, for example, in a wireless manner such as WIFI or bluetooth, and how to implement the wireless connection is the prior art in the field and will not be described in detail herein.
The control module 101 is configured to receive an audio control instruction sent by a terminal control device. In this embodiment, the audio control apparatus receives an audio control instruction sent by the terminal control device from the terminal side, specifically, an input end of the control module 101 is connected to an output end of the terminal, and is configured to establish a communication handshake with the terminal. In other embodiments, the audio control apparatus may further include a signal receiving module, where an output end of the signal receiving module is connected to an input end of the control module, and is configured to directly receive an audio control instruction sent by the terminal control device, and transmit the received audio control instruction to the control module.
In addition, the output end of the control module 101 is connected to the input end of the audio processing module 102, and the control module 101 is further configured to send a control signal to the audio processing module 102 based on the audio control instruction after receiving the audio control instruction sent by the terminal control device.
The audio processing module 102 is further connected to the output end of the terminal, and is configured to receive the current audio data of the terminal.
It should be noted that, in this embodiment, the audio control device is provided with a High Definition Multimedia Interface (HDMI), the audio control device is in communication connection with the terminal through the HDMI, and the control module 101 is adapted to establish a CEC communication handshake with the terminal through the HDMI; the audio processing module 102 is adapted to receive audio data through a high-definition multimedia interface ARC channel.
Specifically, the Control module 101 and the audio processing module 102 are connected to the terminal through the same HDMI cable in a communication manner, and the Control module 101 constructs a CEC (Consumer Electronics Control) communication handshake with the terminal through the HDMI cable, and receives a CEC audio Control command sent by the terminal. The audio processing module 102 receives the current audio data of the terminal through an HDMI ARC (audio return Channel) Channel. The transmission of audio control instructions and audio data is realized through the same HDMI interface, the connection mode between the terminal and the audio control device is simplified, and a complex connection structure caused by a plurality of interfaces and a plurality of connection cables is avoided. In other embodiments, the control module and the audio processing module are connected to the terminal through different interfaces, respectively.
The audio receiving module 102 is further configured to adjust the audio data based on the control signal, such as noise reduction, filtering, sound modification, decoding, adjusting audio output volume, or adjusting output sound effect.
It can be understood that the audio control device may further include a power module, where the power module is used to supply power to other modules in the audio control device; and may also include a housing for housing all of the modules within the audio control device.
Compared with the prior art, the audio control device provided by the embodiment of the invention can receive the audio control instruction sent by the terminal control equipment, and adjust the current audio data of the terminal based on the audio control instruction, so that the playing of the audio can be controlled through the terminal control equipment, and the audio and video watching experience of a user is improved.
Another embodiment of the invention relates to an audio control device. The other embodiment is substantially the same as the previous embodiment, and the main difference is that: the specific implementation of the module function is further described in another embodiment of the present invention. The audio control device provided in this embodiment will be described below with reference to the accompanying drawings, and please refer to the detailed description of the previous embodiment for the same or corresponding parts, which will not be described in detail below.
Fig. 2 is a schematic structural diagram of an audio control apparatus according to another embodiment of the present invention.
Referring to fig. 2, in the present embodiment, the audio control apparatus includes: control module 101, audio frequency receiving module 102, control module 101 includes: a receiving unit 11 and a main control unit 12; the receiving unit 11 is adapted to establish a communication handshake with a terminal or a terminal control device (not shown), and receive an audio control instruction sent by the terminal control device; the main control unit 12 is in communication connection with the receiving unit, and is adapted to identify the type of the audio control command and send a control signal to the audio processing module based on the identification result.
An input terminal of the receiving unit 11 is connected to an output terminal of the terminal, and is configured to establish a communication handshake with the terminal. In a specific example, the terminal is a television, the terminal control device is a television remote controller, the receiving unit 11 is configured to establish a CEC communication handshake with the television, the television remote controller sends an audio control instruction to the television, and the terminal sends the CEC audio control instruction to the receiving unit 11 after receiving the audio control instruction.
The output end of the receiving unit 11 is connected to the input end of the main control unit 12, and the receiving unit 11 is further configured to send the received audio control instruction to the main control unit 12.
The output end of the main control unit 12 is connected to the input end of the audio processing module, and is configured to identify the type of the audio control instruction, generate a control signal corresponding to the audio control instruction based on the identification result, and send the control signal to the audio processing module. The type of audio control command may include an up volume command, a down volume command, a mono/multi-channel switch command, or a prominence adjustment command, etc.
It should be noted that, referring to fig. 2, the audio processing module 102 may include an audio receiving unit 13, which is used for receiving current audio data of a terminal (not shown) and decoding the audio data. The audio receiving unit 13 decodes the received audio data, so that the audio control device can support audio data in various formats, thereby improving the adaptability of the audio control device.
Specifically, the audio receiving unit 13 includes a first input terminal connected to the output terminal of the terminal, and the audio receiving unit 13 is configured to receive the current audio data of the terminal and decode the received audio data. The current audio data format of the terminal may be MP3 format, wav format, or other commonly used audio formats. A second input is connected to the output of the main control unit 12,
the audio receiving unit 13 may further comprise a second input communicatively connected to the main control unit 12. The main control unit sends a control instruction to the audio receiving unit 13 through the second input end to control the audio receiving unit 13 to receive the audio data.
In addition, the audio processing module further includes an audio conversion unit (not shown) which is connected in communication with the audio receiving unit 13 and is configured to convert the decoded audio data into left and right channel audio data. The audio data output by the audio control device generates a stereo playing effect when being played by converting the decoded audio data into left and right channel data, so that the audio-visual experience of a user is improved.
It should be noted that the audio receiving unit 13 may further include a noise reduction subunit (not shown), and the noise reduction subunit is configured to perform filtering and noise reduction processing on the audio data received from the terminal. The noise reduction processing is carried out on the audio data through the noise reduction subunit, so that the noise generated in the transmission process of the audio data can be reduced, and the playing tone quality of the audio data is improved. The audio receiving unit 13 may further include an analog-to-digital converting subunit (not shown) for converting received digital audio data into analog audio data.
In addition, the audio processing module 102 may further include a volume adjusting unit 14, and the volume adjusting unit 14 is connected in communication with the audio receiving unit 13, and is configured to adjust an output volume of the decoded audio data based on the control signal. The volume adjusting unit 14 can adjust the output volume of the audio data, so that the user can freely and conveniently control the audio playing volume through the terminal control device.
Specifically, the volume adjusting unit 14 includes a third input terminal connected to the output terminal of the main control unit 12 and a fourth input terminal connected to the output terminal of the audio receiving unit 13. The volume adjusting unit 14 is configured to receive the control signal sent by the main control unit 12, receive the audio data decoded by the audio receiving unit 13, and adjust the output volume of the received audio data based on the control signal.
In addition, the audio playback apparatus further includes: a first I2C control bus (not shown) and a second I2C control bus (not shown), the first I2C control bus connecting the main control unit 12 and the audio receiving unit 13, and the second I2C control bus connecting the main control unit 12 and the volume adjusting unit 14. In a specific example, the audio control device is communicatively connected to a television via an HDMI interface, the receiving unit 11 in the audio control device is connected to the main control unit 12 via an I2C control bus, the main control unit 12 is further connected to the audio receiving unit 13 and the volume adjusting unit 14 via an I2C control bus, and the audio receiving unit 13 is further connected to the volume adjusting unit 14 via an I2S bus. After the audio control device establishes a CEC communication handshake with the television through the receiving unit 11, the user sends an audio control instruction to the television through the television remote controller, the television sends the CEC audio control instruction to the receiving unit 11 through the HDMI interface, and the receiving unit 11 transmits the CEC audio control instruction to the main control unit 12; the main control unit 12 identifies the received CEC audio control command, generates a corresponding control signal, and sends the control signal to the volume adjustment unit 14; the audio receiving unit 13 receives the current ARC audio data of the television through the HDMI interface, and transmits the audio data to the volume adjusting unit 14 after decoding, left-right channel conversion, and digital-to-analog conversion are performed on the received ARC audio data; the volume adjusting unit 14 adjusts the output volume of the received audio data according to the control signal, and outputs the adjusted audio data to an audio playing device connected to the audio control device, thereby adjusting the playing volume of the television audio.
In addition, the audio control device may further include a display module, where the display module is connected to the main control unit and is configured to display current audio information, such as current audio volume, left channel/right channel/stereo and other data, so as to facilitate a user to adjust the current audio information.
Compared with the prior art, the audio control device can receive the audio control instruction sent by the terminal control equipment, and adjust the current audio volume of the terminal based on the audio control instruction, so that the audio output volume of the audio control device can be controlled by the terminal control equipment, the trouble that a user needs to operate on audio playing equipment when adjusting the volume is avoided, and convenience is provided for the user.
Yet another embodiment of the present invention relates to an audio control apparatus. The third embodiment is substantially the same as the previous embodiment, and the main difference is that: in another embodiment of the present invention, the audio processing module includes an audio adjusting unit, the audio adjusting unit is in communication with the audio receiving unit, and is configured to adjust an output audio of the decoded audio data based on the control signal. The audio control device provided in this embodiment will be described below with reference to the accompanying drawings, and please refer to the detailed description of the previous embodiment for the same or corresponding parts, which will not be described in detail below.
Referring to fig. 3, the audio control apparatus in the present embodiment includes: the control module 101 and the audio receiving module 102, the control module 101 includes a receiving unit 11 and a main control unit 12, the audio processing module 102 includes an audio receiving unit 13 and an effect adjusting unit 15, and the effect adjusting unit 15 is in communication connection with the audio receiving unit 13 and is used for adjusting an output effect of the decoded audio data based on a control signal.
The sound effect adjusting unit 15 comprises a fifth input end and a sixth input end, wherein the fifth input end is connected with the audio receiving unit 13 and is used for receiving the audio data decoded by the audio receiving unit; the sixth input end is connected to the main control unit 11 and configured to receive a control signal of the main control unit, and the sound effect adjusting unit 15 adjusts an output sound effect of the audio data based on the control signal after receiving the control signal sent by the main control unit 11. The sound effect here refers to an effect produced by sound, and refers to noise or sound added to enhance the reality, atmosphere or drama message of a scene, and the sound effect includes professional sound effects such as digital sound effect, ambient sound effect, MP3 sound effect, and ordinary sound effect. For example, the output sound effect is adjusted to be a classical music mode, a pop music mode, a jazz mode, a rock and roll mode, a karst cave environment, a cinema environment, an opera house environment or a hall environment, etc. It should be noted that how to adjust the output sound effect of the audio data is the prior art.
In a specific example, the audio control device is connected to the television through an HDMI interface, the receiving unit 11 in the audio control device is connected to the main control unit 12 through an I2C control bus, the main control unit 12 is further connected to the audio receiving unit 13 and the sound effect adjusting unit 15 through an I2C control bus, and the audio receiving unit 13 is further connected to the sound effect adjusting unit 15 through an I2S bus. After the audio control device establishes a CEC communication handshake with the television through the receiving unit 11, the user sends an audio control instruction to the television through the television remote controller, the television sends the CEC audio control instruction to the receiving unit 11 through the HDMI interface, and the receiving unit 11 transmits the CEC audio control instruction to the main control unit 12; the main control unit 12 identifies the received CEC audio control command, generates a corresponding control signal, and sends the control signal to the sound effect adjusting unit 15; the audio receiving unit 13 receives the current ARC audio data of the television through the HDMI interface, and transmits the audio data to the sound effect adjusting unit 15 after decoding, left-right channel conversion, and digital-to-analog conversion are performed on the received ARC audio data; the sound effect adjusting unit 15 adjusts the output sound effect of the received audio data according to the control signal, and outputs the adjusted audio data to the audio playing device connected to the audio control device, thereby adjusting the playing sound effect of the television audio.
It should be noted that, in other embodiments, the audio processing module may further include a volume adjusting unit and a sound effect adjusting unit, the volume adjusting unit is in communication connection with the sound effect adjusting unit, and the audio processing module adjusts the volume and/or the sound effect of the audio data based on the control signal sent by the main control unit.
Compared with the prior art, the embodiment of the invention provides the audio control device, which can conveniently control the output sound effect of the terminal, provides convenience for the use of a user and improves the audio-visual experience of the user.
An embodiment of the present invention provides an audio playing system, and fig. 4 is a schematic structural diagram of the audio playing system provided in this embodiment, as shown in fig. 4, the audio playing system includes: in the audio control apparatus 21, the terminal 22, the terminal control device 23, and the audio playing device 24 provided in any of the above embodiments, the audio control apparatus 21 is in communication connection with the terminal 22 and the audio playing device 24, respectively; the terminal control device 23 is adapted to issue audio control instructions; the terminal 22 is adapted to send current audio data to the audio control means 21; the audio control device 21 is adapted to adjust the audio data based on the audio control instruction, and send the adjusted audio data to the audio playing apparatus 24; the audio playback device 24 is adapted to play back audio data upon receipt of the audio data.
It should be understood that, for the same or corresponding parts as those in the previous embodiment, please refer to the detailed description of the previous embodiment, which will not be described in detail below.
It should be noted that the terminal includes a television, and the terminal control device includes a remote controller. The current audio data of the television is adjusted through the audio control device, for example, the output volume and/or the output sound effect of the current audio data of the television are/is adjusted, the audio-visual experience of a user can be greatly improved, the adjustment of the output audio of the television can be realized through a remote controller of the television, and the convenience of user operation is improved.
In other embodiments, the terminal may also be a computer, a notebook, a mobile phone, or a home theater, and the terminal control device may also be integrated in the terminal. For example, the terminal is a computer, and keys for outputting audio control instructions are integrated on the computer.
Accordingly, an embodiment of the present invention further provides an audio playing method, which is applied to the audio playing system in the foregoing embodiment, and includes: the terminal control equipment sends out an audio control instruction; the terminal sends current audio data to the audio control device; the audio control device adjusts audio data based on the audio control instruction and sends the adjusted audio data to the audio playing equipment; and the audio playing equipment plays the audio data after receiving the audio data. It should be noted that, for the same or corresponding parts as those in the previous embodiment, please refer to the detailed description of the previous embodiment, which will not be described in detail below.
And step S101, the terminal control equipment sends out an audio control instruction.
In this embodiment, the terminal control device sends an audio control instruction to the terminal, where the audio control instruction includes an audio control instruction such as an increase/decrease volume control instruction, a left/right channel switching control instruction, or a sound effect switching instruction. In other embodiments, the terminal control device is in communication connection with the audio control apparatus, and the terminal control device may directly send the audio control instruction to the audio control apparatus.
Step S102, the terminal sends the current audio data to the audio control device.
In this embodiment, the terminal is connected to the audio control device in a wired manner, the terminal sends current audio data of the terminal to the audio control device through a connected cable, for example, the terminal is connected to the audio control device through an HDMI cable, and the terminal sends current ARC audio to the audio control device through the HDMI cable. In other embodiments, the terminal is wirelessly connected to the audio control device, and the terminal transmits the current audio data to the audio control device through a wireless signal.
And S103, the audio control device adjusts the audio data based on the audio control instruction and sends the adjusted audio data to the audio playing equipment.
In this embodiment, the audio control device obtains an audio control instruction sent by the terminal control device from the terminal side, for example, after the audio control device receives a volume increase/decrease control instruction sent by the terminal control device, current audio data sent by the terminal is adjusted, and output volume of the audio data is increased/decreased; or after the audio control device receives a left and right channel switching control instruction sent by the terminal control equipment, the current audio data sent by the terminal are adjusted, and the output channels of the audio data are switched; or the audio control device adjusts the output audio effect of the audio data after receiving the audio effect switching instruction sent by the terminal control equipment. And after the audio control device adjusts the audio data, the audio control device sends the adjusted audio data to the audio playing equipment.
It is understood that the audio control apparatus further performs decoding, filtering, noise reduction, digital-to-analog conversion, and the like on the received audio data before adjusting the audio data based on the audio control instruction.
Step S104, the audio playing device plays the audio data after receiving the audio data.
Compared with the prior art, the embodiment of the invention provides the audio playing method, the audio output effect of the terminal can be conveniently controlled through the control equipment of the terminal, convenience is provided for the use of a user, and the audio-visual experience of the user is also improved.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An audio control device comprising: the device comprises a control module and an audio processing module;
the control module is suitable for receiving an audio control instruction sent by terminal control equipment and sending a control signal to the audio processing module based on the audio control instruction;
the audio processing module is in communication connection with the control module and is suitable for receiving current audio data of the terminal and adjusting the audio data based on the control signal.
2. The audio control apparatus of claim 1, wherein the control module comprises: the device comprises a receiving unit and a main control unit;
the receiving unit is suitable for establishing communication handshake with the terminal or the terminal control equipment and receiving an audio control instruction sent by the terminal control equipment;
the main control unit is in communication connection with the receiving unit, is suitable for identifying the type of the audio control instruction, and sends the control signal to the audio processing module based on the identification result.
3. The audio control device according to claim 1, wherein the audio control device is provided with a high definition multimedia interface, the audio control device is communicatively connected with the terminal through the high definition multimedia interface, and the control module is adapted to construct a CEC communication handshake with the terminal through the high definition multimedia interface; the audio processing module is adapted to receive the audio data through a high definition multimedia interface ARC channel.
4. The audio control apparatus according to claim 1, wherein the audio processing module comprises an audio receiving unit configured to receive the audio data and decode the audio data.
5. The audio control apparatus as claimed in claim 4, wherein the audio processing module further comprises an audio conversion unit, the audio conversion unit is communicatively connected to the audio receiving unit, and is configured to convert the decoded audio data into left and right channel audio data.
6. The audio control device as claimed in claim 4, wherein the audio processing module further comprises a volume adjusting unit, the volume adjusting unit is connected to the audio receiving unit in communication, and is configured to adjust an output volume of the decoded audio data based on the control signal.
7. The audio control device as claimed in claim 4, wherein the audio processing module further comprises an audio effect adjusting unit, the audio effect adjusting unit is communicatively connected to the audio receiving unit, and is configured to adjust an output audio effect of the decoded audio data based on the control signal.
8. An audio playback system, comprising: the audio control device, the terminal control device and the audio playing device as claimed in any one of claims 1 to 7, wherein the audio control device is in communication connection with the terminal and the audio playing device respectively;
the terminal control equipment is suitable for sending out an audio control instruction;
the terminal is suitable for sending current audio data to the audio control device;
the audio control device is suitable for adjusting the audio data based on the audio control instruction and sending the adjusted audio data to the audio playing equipment;
the audio playing device is adapted to play the audio data after receiving the audio data.
9. The audio playback system of claim 8, wherein the terminal comprises a television and the terminal control device comprises a remote control.
10. An audio playing method applied to the audio playing system of claim 8 or 9, comprising:
the terminal control equipment sends out an audio control instruction;
the terminal sends current audio data to the audio control device;
the audio control device adjusts the audio data based on the audio control instruction and sends the adjusted audio data to audio playing equipment;
and the audio playing equipment plays the audio data after receiving the audio data.
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| CN202010312278.8A CN111405356A (en) | 2020-04-20 | 2020-04-20 | Audio control device, audio playing system and method |
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